Home / 16,887.42-25,334.10-7,021.62

Finding the Fourth Proportional to 16,887.42, 25,334.10 and 7,021.62

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Solution

The fourth proportional to 16,887.42, 25,334.10 and 7,021.62 is: 10,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.42 : 25,334.10 = 7,021.62 : x
  2. Step 2: Convert to fraction form
    16,887.42/25,334.10 = 7,021.62/x
  3. Step 3: Cross multiply
    16,887.42x = 25,334.10 × 7,021.62
  4. Step 4: Simplify right side
    16,887.42x = 177,886,423.24
  5. Step 5: Solve for x
    x = 177,886,423.24/16,887.42
  6. Step 6: Final answer
    x = 10,533.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.